{
  "threat_severity" : "Moderate",
  "public_date" : "2024-10-21T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: wifi: cfg80211: Set correct chandef when starting CAC",
    "id" : "2320515",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2320515"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-476",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nwifi: cfg80211: Set correct chandef when starting CAC\nWhen starting CAC in a mode other than AP mode, it return a\n\"WARNING: CPU: 0 PID: 63 at cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\"\ncaused by the chandef.chan being null at the end of CAC.\nSolution: Ensure the channel definition is set for the different modes\nwhen starting CAC to avoid getting a NULL 'chan' at the end of CAC.\nCall Trace:\n? show_regs.part.0+0x14/0x16\n? __warn+0x67/0xc0\n? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n? report_bug+0xa7/0x130\n? exc_overflow+0x30/0x30\n? handle_bug+0x27/0x50\n? exc_invalid_op+0x18/0x60\n? handle_exception+0xf6/0xf6\n? exc_overflow+0x30/0x30\n? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n? exc_overflow+0x30/0x30\n? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n? regulatory_propagate_dfs_state.cold+0x1b/0x4c [cfg80211]\n? cfg80211_propagate_cac_done_wk+0x1a/0x30 [cfg80211]\n? process_one_work+0x165/0x280\n? worker_thread+0x120/0x3f0\n? kthread+0xc2/0xf0\n? process_one_work+0x280/0x280\n? kthread_complete_and_exit+0x20/0x20\n? ret_from_fork+0x19/0x24\n[shorten subject, remove OCB, reorder cases to match previous list]" ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2025-05-13T00:00:00Z",
    "advisory" : "RHSA-2025:6966",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-570.12.1.el9_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2025-05-13T00:00:00Z",
    "advisory" : "RHSA-2025:6966",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-570.12.1.el9_6"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Will not fix",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Will not fix",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Will not fix",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2024-49937\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-49937\nhttps://lore.kernel.org/linux-cve-announce/2024102127-CVE-2024-49937-74ee@gregkh/T" ],
  "name" : "CVE-2024-49937",
  "csaw" : false
}